| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hiveboard.util; |
| 16 | |
| 17 | import java.awt.color.ColorSpace; |
| 18 | import java.awt.image.ColorModel; |
| 19 | import java.awt.image.ComponentColorModel; |
| 20 | import java.awt.image.DataBuffer; |
| 21 | |
| 22 | public class RGBAImageHolder extends AbstractImageHolder |
| 23 | { |
| 24 | public RGBAImageHolder() |
| 25 | { |
| 26 | super(RGBA_BYTES_PER_PIXEL, RGBA_BAND_OFFSET); |
| 27 | } |
| 28 | |
| 29 | @Override protected ColorModel getColorModel() |
| 30 | { |
| 31 | return RGBA_MODEL; |
| 32 | } |
| 33 | |
| 34 | static final private int RGBA_BYTES_PER_PIXEL = 4; |
| 35 | static final private int[] RGBA_BAND_OFFSET = new int[] {3, 2, 1, 0}; |
| 36 | static final private ColorModel RGBA_MODEL = new ComponentColorModel( |
| 37 | ColorSpace.getInstance( |
| 38 | ColorSpace.CS_LINEAR_RGB), |
| 39 | true, |
| 40 | false, |
| 41 | ComponentColorModel.TRANSLUCENT, |
| 42 | DataBuffer.TYPE_BYTE); |
| 43 | } |